Latest deals
Insights
FAQs
Price Alerts

Cheap flights from South Dakota to Idaho Falls from $192

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from South Dakota to Idaho Falls departing on 9/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from South Dakota to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:00 am - 9:53 am
RAP
-
IDA
4h 53m
1 stop
United Airlines Logo
2:32 pm - 8:45 pm
IDA
-
RAP
6h 13m
1 stop
$359United Airlines
Wed, Oct 28 - Sat, Oct 31
United Airlines Logo
5:00 am - 9:50 am
RAP
-
IDA
4h 50m
1 stop
United Airlines Logo
4:14 pm - 8:24 pm
IDA
-
RAP
4h 10m
1 stop
$455United Airlines
Tue, Jul 14 - Sat, Jul 18
United Airlines Logo
7:00 am - 1:25 pm
RAP
-
IDA
6h 25m
1 stop
United Airlines Logo
5:54 pm - 7:24 pm
IDA
-
RAP
25h 30m
1 stop
$538United Airlines
Mon, Jul 13 - Fri, Jul 17
United Airlines Logo
5:00 am - 9:53 am
RAP
-
IDA
4h 53m
1 stop
United Airlines Logo
2:32 pm - 11:53 am
IDA
-
RAP
21h 21m
2 stops
$589United Airlines
Wed, Oct 28 - Sat, Oct 31
United Airlines Logo
11:20 am - 5:19 pm
RAP
-
IDA
5h 59m
1 stop
United Airlines Logo
4:14 pm - 10:24 am
IDA
-
RAP
18h 10m
2 stops
$598United Airlines
Mon, Jul 13 - Fri, Jul 17
United Airlines Logo
5:00 am - 9:50 am
RAP
-
IDA
4h 50m
1 stop
United Airlines Logo
2:30 pm - 8:38 pm
IDA
-
RAP
6h 08m
1 stop
$728United Airlines
Mon, Jul 27 - Thu, Jul 30
United Airlines Logo
11:20 am - 5:19 pm
RAP
-
IDA
5h 59m
1 stop
United Airlines Logo
4:14 pm - 10:24 am
IDA
-
RAP
18h 10m
2 stops
$1,088United Airlines
Tue, Jul 14 - Sat, Jul 18
Delta Logo
11:00 am - 6:18 pm
RAP
-
IDA
7h 18m
2 stops
Delta Logo
6:00 am - 3:29 pm
IDA
-
RAP
9h 29m
2 stops
$1,812Delta
Tue, Jul 14 - Sat, Jul 18
Delta Logo
6:48 am - 6:18 pm
RAP
-
IDA
11h 30m
2 stops
Delta Logo
6:00 am - 1:40 pm
IDA
-
RAP
7h 40m
2 stops
$1,813Delta
Mon, Jul 27 - Thu, Jul 30
Delta Logo
11:00 am - 6:18 pm
RAP
-
IDA
7h 18m
2 stops
Delta Logo
3:22 pm - 10:26 pm
IDA
-
RAP
7h 04m
2 stops
$2,963Delta
Mon, Jul 27 - Thu, Jul 30

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

United Airlines flights from South Dakota to Idaho Falls

Our best United Airlines deals on South Dakota to Idaho Falls flight tickets
United Airlines
Oct 28
RAP5:00 amRapid City
4h 53m
1 stop
IDA9:53 amIdaho Falls Fanning Field
Oct 31
IDA2:32 pmIdaho Falls Fanning Field
6h 13m
1 stop
RAP8:45 pmRapid City
$359
United Airlines
Jul 14
RAP5:00 amRapid City
4h 50m
1 stop
IDA9:50 amIdaho Falls Fanning Field
Jul 18
IDA4:14 pmIdaho Falls Fanning Field
4h 10m
1 stop
RAP8:24 pmRapid City
$455
United Airlines
Jul 4
RAP11:20 amRapid City
4h 17m
1 stop
IDA3:37 pmIdaho Falls Fanning Field
Jul 7
IDA4:14 pmIdaho Falls Fanning Field
4h 10m
1 stop
RAP8:24 pmRapid City
$504

Delta flights from South Dakota to Idaho Falls

Our best Delta deals on South Dakota to Idaho Falls flight tickets
Delta
Jul 14
RAP11:00 amRapid City
7h 18m
2 stops
IDA6:18 pmIdaho Falls Fanning Field
Jul 18
IDA6:00 amIdaho Falls Fanning Field
9h 29m
2 stops
RAP3:29 pmRapid City
$1,812
Delta
Jul 27
RAP6:48 amRapid City
11h 30m
2 stops
IDA6:18 pmIdaho Falls Fanning Field
Jul 30
IDA6:00 amIdaho Falls Fanning Field
7h 40m
2 stops
RAP1:40 pmRapid City
$1,813
Delta
Jul 27
RAP11:00 amRapid City
7h 18m
2 stops
IDA6:18 pmIdaho Falls Fanning Field
Jul 30
IDA3:22 pmIdaho Falls Fanning Field
7h 04m
2 stops
RAP10:26 pmRapid City
$2,963

momondo Fare Finder

 
Customize your flight search to find flights from South Dakota to Idaho Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 30, 2026.
Use the filters below to find and compare flights from South Dakota to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CityIdaho Falls

RAP - IDA

RAPIDA

Rapid City

Wed 10/28

5:00 am-9:53 am

1 stop4h 53m

Idaho Falls Fanning Field

Sat 10/31

2:32 pm-8:45 pm

1 stop6h 13m

$359
Quickest round-trip

Rapid CityIdaho Falls

RAP - IDA

RAPIDA

Rapid City

Tue 7/14

5:00 am-9:50 am

1 stop4h 50m

Idaho Falls Fanning Field

Sat 7/18

4:14 pm-8:24 pm

1 stop4h 10m

$455

Rapid CityIdaho Falls

RAP - IDA

RAPIDA

Rapid City

Mon 7/13

7:00 am-1:25 pm

1 stop6h 25m

Idaho Falls Fanning Field

Fri 7/17

5:54 pm-7:24 pm

1 stop25h 30m

$538

Rapid CityIdaho Falls

RAP - IDA

RAPIDA

Rapid City

Wed 10/28

5:00 am-9:53 am

1 stop4h 53m

Idaho Falls Fanning Field

Sat 10/31

2:32 pm-11:53 am

2 stops21h 21m

$589

Rapid CityIdaho Falls

RAP - IDA

RAPIDA

Rapid City

Mon 7/13

11:20 am-5:19 pm

1 stop5h 59m

Idaho Falls Fanning Field

Fri 7/17

4:14 pm-10:24 am

2 stops18h 10m

$598

Rapid CityIdaho Falls

RAP - IDA

RAPIDA

Rapid City

Mon 7/27

5:00 am-9:50 am

1 stop4h 50m

Idaho Falls Fanning Field

Thu 7/30

2:30 pm-8:38 pm

1 stop6h 08m

$728

Rapid CityIdaho Falls

RAP - IDA

RAPIDA

Rapid City

Tue 7/14

11:20 am-5:19 pm

1 stop5h 59m

Idaho Falls Fanning Field

Sat 7/18

4:14 pm-10:24 am

2 stops18h 10m

$1,088

Rapid CityIdaho Falls

RAP - IDA

RAPIDA

Rapid City

Tue 7/14

11:00 am-6:18 pm

2 stops7h 18m

Idaho Falls Fanning Field

Sat 7/18

6:00 am-3:29 pm

2 stops9h 29m

$1,812

Rapid CityIdaho Falls

RAP - IDA

RAPIDA

Rapid City

Mon 7/27

6:48 am-6:18 pm

2 stops11h 30m

Idaho Falls Fanning Field

Thu 7/30

6:00 am-1:40 pm

2 stops7h 40m

$1,813

Rapid CityIdaho Falls

RAP - IDA

RAPIDA

Rapid City

Mon 7/27

11:00 am-6:18 pm

2 stops7h 18m

Idaho Falls Fanning Field

Thu 7/30

3:22 pm-10:26 pm

2 stops7h 04m

$2,963

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

See travel insights to Idaho Falls from

How to get the cheapest flight ticket from South Dakota to Idaho Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from South Dakota to Idaho Falls Fanning Field?

Allegiant Air and United Airlines are the most popular carriers operating from South Dakota to Idaho Falls Fanning Field

Cheap South Dakota to Idaho Falls flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from South Dakota to Idaho Falls

Fastest flight time

4h 53m

Direct flights

None
The fastest flight from South Dakota to Idaho Falls takes 4h 53m
There are no direct flights from South Dakota to Idaho Falls. There are no popular flight routes from South Dakota to Idaho Falls.
Search flight deals

Frequently asked questions about flying from South Dakota to Idaho Falls

  • When did momondo last update prices for flights from South Dakota to Idaho Falls Fanning Field Airport?

    Prices for flights from South Dakota to Idaho Falls Fanning Field Airport are updated daily.

  • How old do you have to be to fly from South Dakota to Idaho Falls Fanning Field Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from South Dakota to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The necessary travel and health documents for your Idaho Falls Fanning Field Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

Why should I use momondo to find a flight deal from South Dakota to Idaho Falls?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from South Dakota to Idaho Falls for you.

Can I find flights from South Dakota to Idaho Falls with flexible booking policies on momondo?

Flights from South Dakota to Idaho Falls with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from South Dakota to Idaho Falls?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Idaho Falls from South Dakota.

I’m not ready to book a flight from South Dakota to Idaho Falls right now. Can momondo alert me if prices change?

Price alerts on flights to Idaho Falls from South Dakota are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Idaho Falls trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 7/30
Thu 8/6
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States